Initial designs show a glass-curtained tube with cutaways spiraling up and around the facade to reveal segments of terraced verdure, like cultivated patches on the side of a steep alpine slope. "We didn't just fill up the tower," the architect says. "We've taken space away [from the apartments] to create the gardens," which are actually balconies tucked within the envelope. "It's as if nature has come back into the city," he says.